CVE-2009-2910

arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.31.4 on the x86_64 platform does not clear certain kernel registers before a return to user mode, which allows local users to read register values from an earlier process by switching an ia32 process to 64-bit mode.

🔗 References (48)

• secalert@redhathttp://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html
• secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
• secalert@redhathttp://lkml.org/lkml/2009/10/1/164
• secalert@redhathttp://marc.info/?l=oss-security&m=125442304214452&w=2
• secalert@redhathttp://marc.info/?l=oss-security&m=125444390112831&w=2
• secalert@redhathttp://marc.info/?l=oss-security&m=125511635004768&w=2
• secalert@redhathttp://secunia.com/advisories/36927
• secalert@redhathttp://secunia.com/advisories/37075
• secalert@redhathttp://secunia.com/advisories/37351
• secalert@redhathttp://support.avaya.com/css/P8/documents/100073666
• secalert@redhathttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.4
• secalert@redhathttp://www.openwall.com/lists/oss-security/2009/10/02/1
• secalert@redhathttp://www.redhat.com/support/errata/RHSA-2009-1671.html